<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			
			let m  = '', n = false;
			
			console.log(  m  || n  );
			
			// console.log(m);
			// console.log(n);
			
			
			
		</script>
	</body>
</html>